How to trigger a server-side callback from within a javascript?

[Louis]

Maybe this will help you

Trigger Dash Callback from scroll (overflow div)

Thank you so much, it actually worked. Nowhere I found a solution to triggering a Dash Callback from Javascript. Here is the full solution: #add virtualization based on scroll @app.callback( Output('table', 'n_clicks'), Input('scrollpos', 'children') ) def virtualization_table(scroll): print("scroll:") print(scroll) return None app.clientside_callback( """ function(n) { var obj = document.getElementById('scrollpos'); var scrollpos = obj.innerHTML; …